Use go native embed lib for static assets

Use built in embed library to serve static files instead of the statik library

Makefile

@@ -44,9 +44,6 @@ test:
 docker:
 	docker build --tag invertergui .
 
-statik:
-	statik -f -p=frontend -src=./frontend/root
-
 lint:
 	docker run --rm -it \
 		-w /src -v $(shell pwd):/src \

go.mod

@@ -5,7 +5,6 @@ require (
 	github.com/gorilla/websocket v1.4.0
 	github.com/jessevdk/go-flags v1.4.0
 	github.com/prometheus/client_golang v0.9.2
-	github.com/rakyll/statik v0.1.5
 	github.com/sirupsen/logrus v1.6.0
 	github.com/stretchr/testify v1.3.0
 	github.com/tarm/serial v0.0.0-20180830185346-98f6abe2eb07

go.sum

@@ -1,6 +1,5 @@
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973 h1:xJ4a3vCFaGF/jqvzLMYoU8P317H5OQ+Via4RmuPwCS0=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
-github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
@@ -26,8 +25,6 @@ github.com/prometheus/common v0.0.0-20181126121408-4724e9255275 h1:PnBWHBf+6L0jO
 github.com/prometheus/common v0.0.0-20181126121408-4724e9255275/go.mod h1:daVV7qP5qjZbuso7PdcryaAu0sAZbrN9i7WWcTMWvro=
 github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a h1:9a8MnZMP0X2nLJdBg+pBmGgkJlSaKC2KaQmTCk1XDtE=
 github.com/prometheus/procfs v0.0.0-20181204211112-1dc9a6cbc91a/go.mod h1:c3At6R/oaqEKCNdg8wHV1ftS6bRYblBhIjjI8uT2IGk=
-github.com/rakyll/statik v0.1.5 h1:Ly2UjURzxnsSYS0zI50fZ+srA+Fu7EbpV5hglvJvJG0=
-github.com/rakyll/statik v0.1.5/go.mod h1:OEi9wJV/fMUAGx1eNjq75DKDsJVuEv1U0oYdX6GX8Zs=
 github.com/sirupsen/logrus v1.6.0 h1:UBcNElsrwanuuMsnGSlYmtmgbb23qDR5dG+6X6Oo89I=
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=

plugins/webui/static/binary.go

@@ -1,17 +1,14 @@
 package static
 
 import (
-	"github.com/rakyll/statik/fs"
+	"embed"
-
-	"log"
 	"net/http"
 )
 
-// New exports the static part of the webgui that is served via statik
+//go:embed css js index.html favicon.ico
+var content embed.FS
+
+// New exports the static part of the webgui that is served via embed
 func New() http.Handler {
-	statikFs, err := fs.New()
+	return http.FileServer(http.FS(content))
-	if err != nil {
-		log.Fatal(err)
-	}
-	return http.FileServer(statikFs)
 }